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相关概念视频

Preclinical Development: Overview01:28

Preclinical Development: Overview

5.7K
Preclinical development consists of a series of tests that ensure the safety and efficacy of a new therapeutic compound before it is tested in humans. There are four main phases to this process. First, safety pharmacology tests are conducted to ensure the drug does not produce any acutely harmful effects. These tests examine parameters such as bronchoconstriction, cardiac dysrhythmias, blood pressure changes, and ataxia. Next, preliminary toxicological testing is performed to determine the...
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Clinical Trials: Overview01:11

Clinical Trials: Overview

4.5K
Clinical development focuses on how the drug will interact with the human body and encompasses four key phases of clinical trials, each serving a specific purpose in assessing the safety and effectiveness of new drugs. These phases overlap and build upon one another. Phase I involves a small group of healthy volunteers (typically 20-80 individuals) or, in cases where significant toxicity is expected, patients with the targeted disease, such as cancer or AIDS. The volunteers are tested for...
4.5K
Drug Discovery: Overview01:26

Drug Discovery: Overview

10.9K
Drug discovery is a multifaceted process involving extensive screening, testing, and optimization of lead compounds to identify potential new drugs for therapeutic use. It combines several approaches, including screening large numbers of natural products, chemical modification of known active molecules, identification of new drug targets, and rational design based on biological mechanisms and drug-receptor structure. These approaches are carried out in both academic research laboratories and...
10.9K
Drug Administration and Therapy Phases: Overview01:26

Drug Administration and Therapy Phases: Overview

1.1K
Drugs, the chemical agents used in diagnosing, treating, or preventing diseases, undergo a four-phase process of development: pharmaceutic, pharmacokinetics, pharmacodynamics, and therapeutic.
The pharmaceutical phase focuses on leveraging the physicochemical properties of the drug to design and manufacture an effective product. Variants include orally administered tablets or capsules, topical creams or ointments, and parenteral-delivery solutions or emulsions.
The pharmacokinetic phase...
1.1K
In Vitro Drug Release Testing: Overview, Development and Validation01:10

In Vitro Drug Release Testing: Overview, Development and Validation

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In vitro dissolution and drug release tests assess how quickly and how much of a drug is released from its dosage form into an aqueous medium under standardized laboratory conditions. These tests are essential tools in pharmaceutical development and quality assurance, offering insight into the drug's performance before clinical use.During formulation development, dissolution testing identifies incomplete or inconsistent drug release issues. It also supports decisions on selecting the optimal...
279
Drug Regulation01:25

Drug Regulation

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Drug regulation encompasses the management of drug usage by evaluating its safety and efficacy through assessments conducted by regulatory authorities. Regrettably, the history of drug regulation is marred by several catastrophic events. One such incident is the Elixir Sulfanilamide tragedy, in which the toxic compound diethyl glycol was included in a sweet-tasting medication, leading to numerous fatalities. This event prompted the enactment of the Food, Drug, and Cosmetic Act in 1938. Under...
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相关实验视频

Updated: Jan 7, 2026

Drug Repurposing Hypothesis Generation Using the "RE:fine Drugs" System
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药物开发 药物开发

Qing Zeng1,2, Edward Zamrini3, Ali Ahmed4

  • 1George Washington University, Washington, DC, USA.

Alzheimer's & dementia : the journal of the Alzheimer's Association
|December 26, 2025
PubMed
概括
此摘要是机器生成的。

这项研究使用了药物广泛关联研究 (MWAS) 和人工智能来寻找用于阿尔茨海默病和相关疾病 (ADRD) 预防的药物. 阿托瓦斯塔丁显示出降低ADRD风险的潜力,特别是与埃斯基塔洛普拉姆结合使用时.

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In Vitro Three-Dimensional Sprouting Assay of Angiogenesis Using Mouse Embryonic Stem Cells for Vascular Disease Modeling and Drug Testing
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Developmental Toxicity Assay Based on Real-Time Monitoring of Fibroblast Growth Factor Signal Disruption in Human Induced Pluripotent Stem Cells
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Developmental Toxicity Assay Based on Real-Time Monitoring of Fibroblast Growth Factor Signal Disruption in Human Induced Pluripotent Stem Cells

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科学领域:

  • 药物基因组学和计算生物学
  • 神经科学和衰老研究研究
  • 医疗保健中的人工智能

背景情况:

  • 试点药物广泛关联研究 (MWAS) 以确定用于预防阿尔茨海默病和相关疾病 (ADRD) 的药物.
  • 利用了百万退伍军人项目 (MVP) 数据集,包括基因型,药物暴露和ADRD发病率.
  • 没有假设的,对现实世界数据的不可知论探索.

研究的目的:

  • 通过使用大规模的真实世界数据集,识别ADRD重用候选药物.
  • 探索药物,基因组数据和健康社会决定因素 (SDOH) 对ADRD风险的影响.
  • 为了利用可解释的人工智能,发现新的药物风险因素相互作用.

主要方法:

  • 在 MVP 的匹配队列 (n=263,256) 上训练了一个基于直方图的渐变增强 (HGB) 模型.
  • 综合性PTSD状态,SDOH (ADI分数),APOE ε4状态,以及ADRD的多基因风险分数 (PRS).
  • 应用了新的可解释的人工智能方法来计算阿托瓦斯塔丁等药物的影响和相互作用评分.

主要成果:

  • 证实了现有的发现,并确定了药物和ADRD风险之间的新关联.
  • 阿托瓦斯塔丁表现出负面影响评分,表明ADRD风险降低.
  • 观察到阿托瓦斯塔丁和埃斯基塔洛普拉姆之间的新型负面相互作用,可能降低ADRD风险.

结论:

  • 整合基因组和SDOH数据的MWAS方法对于识别ADRD预防策略非常有效.
  • 可解释的人工智能有效地揭示了复杂的药物-药物和药物风险因素相互作用.
  • 突出了现实世界的数据和人工智能的潜力,以发现ADRD预防的新疗法候选人.